- Design, build and maintain high performance, reusable, and reliable Java & Kotlin code
- Writing unit-tests code for robustness, including edge cases, usability, and general reliability
- Take ownership of product/features: End to end development with testing and meet the deadline
- Work closely with our product and design teams to customize the Khatbook experience for the Android platform.
- Prototype new and redesign features.
- A focus on UI design principles and making apps work intuitively.
- Contribute best-in-class programming skills to develop highly innovative, consumer-facing mobile products.
- Writing efficient android code in Java/Kotlin following MVP framework guidelines.
- Tracing and profiling android java code. Own and manage the finance technology control frameworks.

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The Role:
We are looking for a Software Development Engineer (iOS) to join our Core Payments team at Razorpay. In this role, you will be responsible for developing and scaling our iOS SDK, the critical integration point used by thousands of merchants to process payments across multiple geographies.
You will work closely with product and backend engineering teams to design high-performance features, ensuring the SDK remains secure, lightweight, and developer-friendly. This role offers the opportunity to solve complex engineering challenges involved in building financial infrastructure that operates at massive scale.
Responsibilities:
- SDK Development: Contribute to the development of our native iOS SDK, ensuring high availability and seamless payment experiences for a diverse merchant base.
- Engineering Excellence: Write clean, maintainable, and modular code. Architect solutions that are resilient across different host app environments.
- Automation: Design and implement robust automation for tests, builds, and performance profiling. If a task is repetitive, you are expected to automate it.
- Instrumentation: Build deep telemetry within the SDK to provide real-time insights into success rates and latency, enabling data-driven product decisions.
- Security: Implement industry-standard security protocols, including SSL pinning and runtime integrity checks, to protect sensitive transaction data.
Mandatory Qualifications:
- 2+ years of experience in native iOS development using Swift.
- Systems Design: Solid understanding of OOPS principles and architectural patterns (e.g., MVVM, VIPER, or Clean Architecture).
- Cross-Platform Knowledge: Practical experience with bridge-based frameworks such as Flutter, React Native, or Cordova.
- Technical Depth: Strong proficiency in GCD, Swift Concurrency, and UIKit/SwiftUI lifecycles.
- Debugging: Proficiency in using Xcode Instruments for memory management, CPU profiling, and network debugging.
Good to Have:
- Android Stack Experience: Familiarity with Kotlin or Java is highly preferred to help maintain feature parity and align API design across platforms.
- Deployment & Tooling: Knowledge of CocoaPods, Swift Package Manager (SPM), or Fastlane for automated distribution.
- Open Source: Active contributions to GitHub or a portfolio of apps published on the App Store.
#Android_Developer (#Kotlin)
#Location: Noida, Sector 63
#Experience: 1–3 Years
#Immediate_Joiner
#Key_Responsibilities:
Develop Android apps using Kotlin and Jetpack libraries
Implement MVVM architecture with Navigation and Lifecycle-aware components
Work with REST APIs using Retrofit, Coroutines, and LiveData
Optimize performance and ensure compatibility across Android devices
Collaborate closely with UI/UX designers for smooth, intuitive interfaces
hashtag
#Required_Skills:
Strong hands-on experience in
#Kotlin,
#Android_Studio,
#Jetpack
Proficiency with Room DB, ViewModel, Navigation Components
Familiarity with Gradle, Unit Testing, and Dependency Injection (Hilt/Dagger)
Bonus: Experience with Play Store deployment and CI/CD integration
Technical Skills Required
- Expert with BSPs and use of Peripheral Device Drivers, on Android and Linux Operating Systems
- Expert with device boot for speed and absolute reliability on headless devices
- Expert allocation/efficient use of operating infrastructure: memory, CPU, I/O, and serial communications
- Expert full stack application development on Android and Linux Operating systems:
- Java, Kotlin, JS, C/C++, ---- a plus to have Python
- Expert use of various build and debug tools for Android and other Operating Systems
- Skilled at architecture and implementation of custom algorithms and rules engines using onboard sensors for industrial applications: ex: fall detect, collision avoidance, man down, alerts
- Skilled with battery life optimizations
- Skilled with implementation of user interfaces for devices based on requirements
- Skilled with Sensor Integration in Android or other OS framework (Linux, RTOS)
- Skilled with device configuration management
- Experience to integrate and tune camera and audio subsystems for VOIP and Video calling
- Able to port and integrate from/to one chipset to another
- Able to support device software across product life cycle
- Understanding of enterprise grade application requirements, networking and network security
- Experience with application/device diagnostics and self-healing configurations for enterprise grade solutions
- Experience with secure over the air software/firmware upgrades, device configuration and management from network server
- Experience with design and support for factory provisioning and test
Ideal for candidates who would like to be part of the learning process across growing technologies and embark journey on a tech architect path. Very deep into technologies and eager to learn and adapt with technology advancement.
Essential Responsibilities :
- Study, Design, and prototyping of new technology implementation
- Work in Collaboration with teams
- Work on new technologies and solutions independently.
- Should be able to think out of the box and contribute towards project success
Must Have :
- Build pixel-perfect, smooth UIs across both Android and iOS mobile platforms.
- Leverage native APIs for deep integrations with both platforms.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native
- 3rd party Native SDK integrations
- Maintain versioning on the application and releases
Good to have:
- Knowledge of DevOps
This is a full-time for a React Native Developer. The React Native Developer will be responsible for designing and implementing front-end and back-end app development, developing software solutions, and working with JavaScript and Redux.js . The React Native Developer will also be responsible for testing and debugging applications and must be able to work collaboratively with cross-functional teams to deliver quality products.
Qualifications
Expertise in Front-End Development and Back-End Web Development
Strong software development skills + String Design skills
Proficiency in JavaScript and Redux.js
Experience in building and testing React Native mobile applications
Knowledge of cross-platform mobile development frameworks
Ability to write clear, maintainable, and efficient code
Strong problem-solving and troubleshooting skills
Bachelor's degree in Computer Science, Software Engineering, or related field
Experience with Agile development methodologies is a plus.
Excellent communication and collaboration skills
Role - Lead React Native Developer
Experience - 4+ years
Location - Bangalore
About the Company :-
Our client is a B2B2C tech Web3 startup founded by founders - IITB Graduates who are experienced in retail, ecommerce and fintech.
- Min 4-5 years of experience in Mobile application development
- Experience in React Native app development
- Firm grasp of the JavaScript and TypeScript language and its nuances, including ES6+ syntax
Follow best practices using Android Guidelines
- Knowledge of functional or object-oriented programming
- Technically strong in React-Redux/Mobx development and deep understanding of core mobile concepts such as lifecycle, UI, networking, caching, device features, etc
- Experiences with automated testing suites, like Jest or Mocha
- Experience integrating third-party frameworks. Worked with logging and capturing user navigation and app usage to Analytics and Crashlytics for understanding the most used features by users.
- Knowledge of mobile security and cryptography is an advantage.
- Good working knowledge of tools such as Git, JIRA, Jenkins, or any tools that are similar to these.
- Experience with agile methodology is preferred
- Good communication skills
- Good knowledge of app telemetry integration & app performance management
- Have published at least 2 React Native apps on Play Store & App Store.
- Implement robust app architectures and complex user interfaces
- Component Design and coding new features. includes unit tests, debugs, and solves defects
- Component Design/Coding/Unit Testing/Debugging
- Responsible for designing app architecture and integration design to various external systems (APIs, 3rd Party SDK)
- Follow best practices using React Native Guidelines
- Understand reacting design patterns like HOC, Render Props, and their applications.
- Good understanding of atomic design principles
- Experience with CSS-in-js / styled-components
- Good understanding of Android & iOS working principles, Release process
- Ability to multi-task under pressure and work independently with minimal supervision
- Work on high-performance consumer-facing apps
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Good understanding of server-side templating languages (such as jade, EJS, and pug).
- Creating database schemas that represent and support business processes.
- Implementing automated testing platforms and unit tests.
- Basic understanding of front-end technologies, such as HTML5, SCSS, and CSS3.
- Ability to make recommendations on UI design and UX best practices.
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance.
- Designing stateless components in React Native.
- Contributing in all phases of the development lifecycle
- Working with the developers to create and maintain a robust framework to support the apps
- Working with the developers to build the interface with a focus on usability features
- Prepare and produce releases of software components
- Optimizing performance for the apps
- Problem-solving skills, analytical mind, and positive attitude
- Ability to think from end users perspective and focused on improving the overall product experience.
- Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
- Hands on experience with React Native is required
- Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
- Strong understanding of JavaScript ecosystem
- Hands on experience on Android in creating Hybrid / Native applications
- Demonstrable UI/UX experience on a large-scale app.
- Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
- Good knowledge of JS frameworks like ReactJS is a plus.
Desired Skills and Experience
We need candidates to join immediately to 15days
Salary: Upto 10 LPA
Industry: Fintech
Roles and Responsibilities:
- 2-3 years of Android development experience.
- Kotlin, Android SDK, Java
- Rest API, JSON, XML, Retrofit
- MVVM
- SQLite, Room, Offline storage, Encryption
- Google APIs, Maps, Navigation, Google Play Optimization
- Live Data, Dagger, Co-Routines, Multithreading
- Memory management and optimizations using Data Structures and Algorithms
- Espresso, JUnit, kotlin, work manager, Co-Routines,, data structure, multithreading.
Diagnal Technologies is a fully owned subsidiary of Diagnal Inc, Hong Kong. It’s a product company focusing on media and entertainment clients, creating Video on Demand apps for their customers. We are a team of OTT video solution specialists helping our customers build the new digital media industry in Asia Pacific and beyond. We create viable revenue generating video streaming products, enable our customers to gain business and operational insights through big data analytics and empower them to engage with their users more effectively through targeted marketing campaigns. Started its Development Center in Technopark Phase III campus and focusing on Indian and International clients.
Position: Senior Android Developer
Must have skills-Kotlin, MVVM architecture, Dependency Injection(Dagger/KOIN)
Job Description
You have:
- 1-3 years of experience of Android development in a project services or product engineering organisation
- Experience with developing highly polished consumer facing user interfaces with smooth interactivity
- Published applications on the Google Play Store
- Self motivation and ability to manage your own time to get the job done at the high international quality levels we expect
- An engineering Degree in computer science or equivalent practical experience
- A solid understanding of operating system fundamentals, application performance optimisation and backend integration













